Trojanhunter
Trojanhunter is not for free, though a time limited trial is available for download
30-day trial version: Download
Features:
- Realtime protection against Trojans
- Portscanner, which detects open ports used by trojans
- 'Trace' scanner which detects traces of present and removed trojans left in your registry and/or configuration files
- Heuristic scanning mode (detects modified trojans)
Note: When uninstalling Trojan Hunter, unload the program first (rightclick on the systemtray icon and choose unload) Even when doing so, trojanhunter can leave traces on your drive. Delete the trojanhunter folder manually after installation (drive:\program files\ trojan hunter)
Installing and configuring Trojanhunter